This got a PC Engine release (as represented here) that needs to be listed.

Mega CD as well (as represented here)

I've filled out the relevant information for these releases, if someone wouldn't mind adding them:

Date: 25 December 1993
Developer: ISCO
Publisher: Atlus
Release Type: Official Release
Platform: PC Engine
Region: Japan
Needs Linked: https://vgmdb.net/album/19527
Sound: 'YMOH.S' (Hitoshi Sakimoto), 'N. MIKAMI' (Naoko Mikami) - Credit screengab https://i.imgur.com/qe8aUoN.png from http://raido.moe/staff/pce/pce_shin_megami_tensei.html

Date: 25 February 1994
Developer/Publisher: SIMS CO., LTD.
Release Type: Official Release
Platform: Sega Mega-CD
Region: Japan
Needs Linked: https://vgmdb.net/album/7448 (is currently linked to the general release but this is the Sega CD version specifically)
Music Arranger: Keisuke Nishino, Masamitsu Shindoh
Voice: Hikaru Midorikawa - from https://i.imgur.com/O9LayK2.png via https://www.youtube.com/watch?v=qtkINeeGilY